Thinkabara

🧮 8th Grade · Math8.EE.C.8bUnit 4: Linear equations & systems

Systems by elimination

Google Classroom

🎯 Objective: Students solve systems by elimination.

Lesson outline

  1. Model.
  2. Practice.
  3. Choose a method.
  4. Exit: one system.

Lesson 5 of 6 in this unit. In the Lesson Planner this lesson takes 1–3 class periods depending on your timetable: day 1 introduce & model, then practice, small-group reteach and a quick check.

📐 Standard

8.EE.C.8b

Common Core State Standards for Mathematics, Grade 8 — typical US scope & sequence

🏁 Unit goals

  • Solve multi-step linear equations
  • Solve systems of two equations graphically and algebraically

✅ Check for understanding

End with the exit ticket in the outline. Sort answers into got it / almost / not yet and start the next lesson with a 5-minute reteach for the “not yets”.

Practice & resources on Thinkabara

🎯 Practice: Linear equations📚 All 8th Grade skills🎮 Learning games⚡ Capy Live class quiz

🗓️ Plan the whole year like this

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More lessons in “Linear equations & systems”

  1. Variables on both sides
  2. One, none or infinitely many
  3. Systems by graphing
  4. Systems by substitution
  5. Systems by elimination
  6. Systems word problems

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